(;AW[pq]AW[qq]AW[nq]AW[np]AW[mp]AW[ko]AW[jp]AW[jq]AW[jr]AB[kq]AB[lq]AB[mq]AB[nr]AB[or]C[1. Black to play
]AP[goproblems];B[ms]LB[mr:a]LB[ns:b]C[Black 1 is the vital point: it guarantees eyes at 'a' and 'b'.
RIGHT])